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landslides

Landslide in southern Haiti was triggered by the magnitude 7.0 earthquake that struck the country in 2010.
Posted inNews

Landslides Send Carbon-Rich Soils into Long-Term Storage

by Katherine Kornei 10 September 2018

Earthquake-triggered landslides move soils down steep slopes and deposit the sediments near rivers, sequestering the carbon contained within them for millions of years.

A landslide triggered by the weight of construction debris atop a rain-saturated hillslope killed 73 people in China in 2015.
Posted inNews

Landslide Database Reveals Uptick in Human-Caused Fatal Slides

by Katherine Kornei 28 August 20189 May 2022

Records of nearly 5,000 landslides around the world show that human activities like construction, illegal mining, and hill cutting are increasingly responsible for fatal slides, particularly in Asia.

Rescuers search for survivors on 2 April 2017 after floodwaters carrying mud and debris inundated parts of Mocoa, Colombia.
Posted inScience Updates

How Landslides Become Disasters

by P. Lehmann, J. von Ruette and D. Or 27 August 201829 September 2021

A new modeling platform, tested on two recent natural disasters, simulates conditions that dump landslide debris into rain-swollen rivers, often causing more damage than the landslides themselves.

Posted inEditors' Highlights

Radar Data Highlights Areas Damaged by Wildfire and Debris Flows

by B. Pirenne 14 August 201828 October 2021

Synthetic aperture radar data post-processing can be used to analyze changes in the landscape, providing a useful tool for disaster response.

Klickitat Lake in western Oregon formed when a landslide that originated along the forested ridgeline dammed a stream.
Posted inScience Updates

Hunting for Landslides from Cascadia’s Great Earthquakes

by J. P. Perkins, J. J. Roering, W. J. Burns, W. Struble, B. A. Black, K. M. Schmidt, Alison Duvall and N. Calhoun 8 August 201815 October 2021

Researchers examine the rings of drowned trees in landslide-dammed lakes for clues to today’s earthquake hazards in the Pacific Northwest.

Imja Lake—the long, silty lake in this 2010 photo—has grown in front of Imja and Lhotse Shar glaciers (top right) in the Himalayas.
Posted inNews

Satellite Data Archives Reveal Unrecorded Himalayan Floods

by Katherine Kornei 8 May 201819 October 2021

Almost 30 years’ worth of Landsat observations created a comprehensive inventory of catastrophic floods caused by glacial lakes bursting through their rock dams.

First-grade teacher Sheri Bittle (above) uses her phone amid the rubble of her classroom destroyed by a 21 May 2013 tornado in Moore, Okla.
Posted inNews

Algorithm Discerns Where Tweets Came from to Track Disasters

by Katherine Kornei 17 July 2017

New pilot system that analyzed more than 35 million flood-related Twitter posts to determine their geographic origin might help first responders locate and react more quickly to calamities.

Rock exposure thought to be the product of earthquakes might be due to weathering or landslides.
Posted inResearch Spotlights

Faulty Assumptions Impair Earthquake Hazard Assessment in Italy

by Sarah Stanley 16 May 201724 February 2022

Along faults in the Central Apennine Mountains, weather and landslides may cause rock exposure that is mistakenly attributed to earthquakes.

Researchers examine the mechanics behind a deadly rock avalanche in China.
Posted inResearch Spotlights

What Causes Rock Avalanches?

by Terri Cook 24 April 2017

Experimental studies of frictional weakening beneath a deadly rock avalanche in China help to clarify the mechanisms that cause these devastating natural disasters.

The Enguri Dam, nestled in the highly seismic mountains of the Caucasus, is surrounded by steep, landslide-prone slopes.
Posted inScience Updates

International Effort Tackles Landslide Hazards to Keep the Peace

by A. Tibaldi and N. Tsereteli 30 January 201713 January 2022

Earth scientists work with the North Atlantic Treaty Organization to help keep a border-straddling hydroelectric power plant on the Black Sea coast safe from landslides.

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